From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Table listing the weights of various 3 1/2 litre Bentley Chassis.
| Identifier | ExFiles\Box 88\3\ scan0190 | |
| Date | 2nd April 1936 guessed | |
| Sheet (1) Weights of 3 1/2 litre Bentley Chassis. (Weights include wheels and tyres (5), oil and water, but not bumper bar, side spare wheel carriers, or petrol). Chassis No. | Chassis Weight lbs. | Chassis No. | Chassis Weight lbs. --- | --- | --- | --- B-79-FC. | 2372 | B-109-FC | 2368 B-81-FC | 2368 | B-111-FC | 2365 B-85-FC | 2368 | B-119-FC | 2368 B-87-FC | 2368 | B-121-FC | 2383 B-89-FC | 2370 | B-123-FC | 2367 B-93-FC | 2366 | B-125-FC | 2363 B-95-FC | 2368 | B-127-FC | 2365 B-97-FC | 2369 | B-131-FC | 2375 B-101-FC | 2367 | B-133-FC | 2370 B-105-FC | 2368 | B-159-FC | 2373 B-107-FC | 2369 | | Mean Value - 2370 lbs. | ||